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/*
* Copyright (C) 2015-2023 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "JSObject.h"
#include "Options.h"
namespace JSC {
struct DollarVMAssertScope {
DollarVMAssertScope() { RELEASE_ASSERT(Options::useDollarVM()); }
~DollarVMAssertScope() { RELEASE_ASSERT(Options::useDollarVM()); }
};
class JSDollarVM final : public JSNonFinalObject {
public:
typedef JSNonFinalObject Base;
static constexpr unsigned StructureFlags = Base::StructureFlags | OverridesGetOwnPropertyNames;
template<typename CellType, SubspaceAccess>
static CompleteSubspace* subspaceFor(VM& vm)
{
return &vm.cellSpace();
}
DECLARE_EXPORT_INFO;
static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
{
DollarVMAssertScope assertScope;
return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
}
static JSDollarVM* create(VM& vm, Structure* structure)
{
DollarVMAssertScope assertScope;
JSDollarVM* instance = new (NotNull, allocateCell<JSDollarVM>(vm)) JSDollarVM(vm, structure);
instance->finishCreation(vm);
return instance;
}
Structure* objectDoingSideEffectPutWithoutCorrectSlotStatusStructure() { return m_objectDoingSideEffectPutWithoutCorrectSlotStatusStructureID.get(); }
private:
JSDollarVM(VM& vm, Structure* structure)
: Base(vm, structure)
{
DollarVMAssertScope assertScope;
}
void finishCreation(VM&);
void addFunction(VM&, JSGlobalObject*, ASCIILiteral name, NativeFunction, unsigned arguments);
void addConstructibleFunction(VM&, JSGlobalObject*, ASCIILiteral name, NativeFunction, unsigned arguments);
static void getOwnPropertyNames(JSObject*, JSGlobalObject*, PropertyNameArray&, DontEnumPropertiesMode);
DECLARE_VISIT_CHILDREN;
WriteBarrierStructureID m_objectDoingSideEffectPutWithoutCorrectSlotStatusStructureID;
};
} // namespace JSC
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